The workers went on strike
An increase in the number of factories during the 1800s led to the Industrial Revolution. This was marked by a huge increase in manufacturing production.
after a wave of immigration in the mid-1800s.
The name for Tammy Hall is a New York City political machine
People were attracted to the more modern, cosmopolitan life of the city and suburbs.
educational corruption is the corruption in the education sector for example goverment school's are not being maintaned even though you have more than enough money to do it, the money goes into the pockets of the officials in that sector
Production of goods and many other things changed greatly due to mechanisation and huge improvements in steam power.
The great awakening
A union organized by Eugene V. Debs
By the late 1800s, railroads carried goods just about everywhere, from coast to coast. In rural areas, horse-drawn carriages could still be seen, and some salesmen (they were most always men back then) used this method of transportation. But mostly, Sears (which was then called Sears Roebuck) became known for their successful mail order business. People would receive the Sears catalog, choose what they wanted, write to Sears to let the company know, and the merchandise would be mailed to them.
The creation of Standard Time and time zones.
It could be all of the following or none of the following as I do not see any following hazards.
The increase in railroads in Europe had nothing to do with United States immigrants.